From 29c759284e305ec428703c9a5831d0b1fc3497ef Mon Sep 17 00:00:00 2001

From: Werner Lemberg <wl@gnu.org>

Date: Sat, 27 Jan 2018 14:43:43 +0100

Subject: [PATCH] * src/truetype/ttinterp.c (Ins_GETVARIATION): Avoid NULL

 reference.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736

---

 src/truetype/ttinterp.c | 12 ++++++++++--

 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c

index d855aaaa9..551f14a2e 100644

--- a/src/truetype/ttinterp.c

+++ b/src/truetype/ttinterp.c

@@ -7470,8 +7470,16 @@

       return;

     }

-    for ( i = 0; i < num_axes; i++ )

-      args[i] = coords[i] >> 2; /* convert 16.16 to 2.14 format */

+    if ( coords )

+    {

+      for ( i = 0; i < num_axes; i++ )

+        args[i] = coords[i] >> 2; /* convert 16.16 to 2.14 format */

+    }

+    else

+    {

+      for ( i = 0; i < num_axes; i++ )

+        args[i] = 0;

+    }

   }

-- 

2.14.3